BG31071A3 - Method for extraction of tereftalic acid by continuous ckystallisation - Google Patents

Method for extraction of tereftalic acid by continuous ckystallisation

Info

Publication number
BG31071A3
BG31071A3 BG7427525A BG2752574A BG31071A3 BG 31071 A3 BG31071 A3 BG 31071A3 BG 7427525 A BG7427525 A BG 7427525A BG 2752574 A BG2752574 A BG 2752574A BG 31071 A3 BG31071 A3 BG 31071A3
Authority
BG
Bulgaria
Prior art keywords
ckystallisation
extraction
continuous
tereftalic acid
tereftalic
Prior art date
Application number
BG7427525A
Other languages
Bulgarian (bg)
English (en)
Inventor
Fisher
Original Assignee
Standard Oil Co Chicago,Us
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Standard Oil Co Chicago,Us filed Critical Standard Oil Co Chicago,Us
Publication of BG31071A3 publication Critical patent/BG31071A3/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BG7427525A 1973-08-20 1974-08-20 Method for extraction of tereftalic acid by continuous ckystallisation BG31071A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/389,717 US3931305A (en) 1973-08-20 1973-08-20 Terephthalic acid recovery by continuous flash crystallization

Publications (1)

Publication Number Publication Date
BG31071A3 true BG31071A3 (en) 1981-10-15

Family

ID=23539427

Family Applications (1)

Application Number Title Priority Date Filing Date
BG7427525A BG31071A3 (en) 1973-08-20 1974-08-20 Method for extraction of tereftalic acid by continuous ckystallisation

Country Status (22)

Country Link
US (1) US3931305A (nl)
JP (1) JPS5324057B2 (nl)
BE (1) BE818228A (nl)
BG (1) BG31071A3 (nl)
BR (1) BR7406531D0 (nl)
CA (1) CA1019342A (nl)
CS (1) CS198150B2 (nl)
DD (1) DD115109A5 (nl)
DE (1) DE2437846A1 (nl)
EG (1) EG11555A (nl)
ES (1) ES429400A1 (nl)
FR (1) FR2241529B1 (nl)
GB (1) GB1476436A (nl)
HU (1) HU180065B (nl)
IN (1) IN142341B (nl)
IT (1) IT1018896B (nl)
NL (1) NL7409866A (nl)
PL (1) PL100195B1 (nl)
RO (1) RO66116A (nl)
SU (1) SU869554A3 (nl)
TR (1) TR18050A (nl)
YU (1) YU41043B (nl)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51132395U (nl) * 1975-04-14 1976-10-25
GB1582255A (en) * 1976-08-11 1981-01-07 Ici Ltd Crystallisation of terephthalic acid
DE3037045A1 (de) * 1980-10-01 1982-04-15 Dynamit Nobel Ag, 5210 Troisdorf Verfahren fuer die kristallisation schwerloeslicher stoffe und kristallisierapparat
IT1163145B (it) * 1983-03-11 1987-04-08 Friuli Chim Spa Preparazione di acido benzoico puro
US5567842A (en) * 1994-11-16 1996-10-22 Mitsubishi Chemical Corporation Process for producing terephthalic acid
US5502247A (en) * 1994-11-17 1996-03-26 Amoco Corporation Process for recovery of aromatic acid or ester and polyol from waste polyester resins
US6054610A (en) * 1995-06-07 2000-04-25 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
US5840968A (en) * 1995-06-07 1998-11-24 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US6013835A (en) * 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
US5929274A (en) * 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
US6689903B2 (en) 2001-06-04 2004-02-10 Eastman Chemical Company Crystallization method for production of purified aromatic dicarboxylic acids
US7196215B2 (en) * 2001-06-04 2007-03-27 Eastman Chemical Company Process for the production of purified terephthalic acid
US7485747B2 (en) * 2001-06-04 2009-02-03 Eastman Chemical Company Two stage oxidation process for the production of aromatic dicarboxylic acids
US7276625B2 (en) * 2002-10-15 2007-10-02 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
CN100453517C (zh) * 2003-01-10 2009-01-21 三菱化学株式会社 芳香羧酸的制备方法和对苯二甲酸的制备方法
US7193109B2 (en) * 2003-03-06 2007-03-20 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US20040215036A1 (en) * 2003-04-25 2004-10-28 Robert Lin Method for heating a crude carboxylic acid slurry in a post oxidation zone by the addition of steam
US7214760B2 (en) * 2004-01-15 2007-05-08 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US7546747B2 (en) * 2004-01-15 2009-06-16 Eastman Chemical Company Process for production of a dried carboxylic acid cake suitable for use in polyester production
TW200605867A (en) 2004-03-17 2006-02-16 Novartis Ag Use of organic compounds
US7390921B2 (en) * 2004-09-02 2008-06-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7572936B2 (en) * 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7482482B2 (en) * 2004-09-02 2009-01-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7381836B2 (en) * 2004-09-02 2008-06-03 Eastman Chemical Company Optimized liquid-phase oxidation
US7586000B2 (en) * 2004-09-02 2009-09-08 Eastman Chemical Company Optimized liquid-phase oxidation
US7563926B2 (en) * 2004-09-02 2009-07-21 Eastman Chemical Company Optimized liquid-phase oxidation
US7399882B2 (en) * 2004-09-02 2008-07-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7692036B2 (en) 2004-11-29 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7608732B2 (en) * 2005-03-08 2009-10-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7910769B2 (en) * 2004-09-02 2011-03-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7582793B2 (en) 2004-09-02 2009-09-01 Eastman Chemical Company Optimized liquid-phase oxidation
US7683210B2 (en) * 2004-09-02 2010-03-23 Eastman Chemical Company Optimized liquid-phase oxidation
US7589231B2 (en) * 2004-09-02 2009-09-15 Eastman Chemical Company Optimized liquid-phase oxidation
US20060047153A1 (en) * 2004-09-02 2006-03-02 Wonders Alan G Optimized liquid-phase oxidation
US7495125B2 (en) * 2004-09-02 2009-02-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7568361B2 (en) * 2004-09-02 2009-08-04 Eastman Chemical Company Optimized liquid-phase oxidation
US7572932B2 (en) * 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7371894B2 (en) * 2004-09-02 2008-05-13 Eastman Chemical Company Optimized liquid-phase oxidation
US7692037B2 (en) * 2004-09-02 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7741515B2 (en) * 2004-09-02 2010-06-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7608733B2 (en) * 2004-09-02 2009-10-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7504535B2 (en) * 2004-09-02 2009-03-17 Eastman Chemical Company Optimized liquid-phase oxidation
US7507857B2 (en) * 2004-09-02 2009-03-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7361784B2 (en) * 2004-09-02 2008-04-22 Eastman Chemical Company Optimized liquid-phase oxidation
JP4747544B2 (ja) * 2004-09-30 2011-08-17 株式会社日立プラントテクノロジー テレフタル酸の精製方法
US7834208B2 (en) * 2005-05-19 2010-11-16 Eastman Chemical Company Process to produce a post catalyst removal composition
US7919652B2 (en) * 2005-05-19 2011-04-05 Eastman Chemical Company Process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone
US7741516B2 (en) 2005-05-19 2010-06-22 Eastman Chemical Company Process to enrich a carboxylic acid composition
US20060264662A1 (en) * 2005-05-19 2006-11-23 Gibson Philip E Esterification of an enriched composition
US7557243B2 (en) 2005-05-19 2009-07-07 Eastman Chemical Company Enriched terephthalic acid composition
US20060264656A1 (en) * 2005-05-19 2006-11-23 Fujitsu Limited Enrichment process using compounds useful in a polyester process
US20060264664A1 (en) * 2005-05-19 2006-11-23 Parker Kenny R Esterification of an exchange solvent enriched composition
US7880031B2 (en) * 2005-05-19 2011-02-01 Eastman Chemical Company Process to produce an enrichment feed
US7304178B2 (en) * 2005-05-19 2007-12-04 Eastman Chemical Company Enriched isophthalic acid composition
US7432395B2 (en) * 2005-05-19 2008-10-07 Eastman Chemical Company Enriched carboxylic acid composition
US7884231B2 (en) 2005-05-19 2011-02-08 Eastman Chemical Company Process to produce an enriched composition
US7897809B2 (en) * 2005-05-19 2011-03-01 Eastman Chemical Company Process to produce an enrichment feed
US7884232B2 (en) * 2005-06-16 2011-02-08 Eastman Chemical Company Optimized liquid-phase oxidation
US7355068B2 (en) * 2006-01-04 2008-04-08 Eastman Chemical Company Oxidation system with internal secondary reactor
US20070155987A1 (en) * 2006-01-04 2007-07-05 O'meadhra Ruairi S Oxidative digestion with optimized agitation
US7358389B2 (en) * 2006-01-04 2008-04-15 Eastman Chemical Company Oxidation system employing internal structure for enhanced hydrodynamics
US20070179312A1 (en) * 2006-02-02 2007-08-02 O'meadhra Ruairi Seosamh Process for the purification of a crude carboxylic axid slurry
US7326807B2 (en) 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system with enhanced heating for oxidative digestion
US7772424B2 (en) * 2006-03-01 2010-08-10 Eastman Chemical Company Polycarboxylic acid production system employing enhanced evaporative concentration downstream of oxidative digestion
US7816556B2 (en) * 2006-03-01 2010-10-19 Eastman Chemical Company Polycarboxylic acid production system employing enhanced multistage oxidative digestion
US7501537B2 (en) * 2006-03-01 2009-03-10 Eastman Chemical Company Polycarboxylic acid production system employing oxidative digestion with reduced or eliminated upstream liquor exchange
US7863483B2 (en) * 2006-03-01 2011-01-04 Eastman Chemical Company Carboxylic acid production process
US7847121B2 (en) * 2006-03-01 2010-12-07 Eastman Chemical Company Carboxylic acid production process
US20070208194A1 (en) * 2006-03-01 2007-09-06 Woodruff Thomas E Oxidation system with sidedraw secondary reactor
US7326808B2 (en) * 2006-03-01 2008-02-05 Eastman Chemical Company Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system
US7420082B2 (en) 2006-03-01 2008-09-02 Eastman Chemical Company Polycarboxylic acid production system employing hot liquor removal downstream of oxidative digestion
US7888529B2 (en) * 2006-03-01 2011-02-15 Eastman Chemical Company Process to produce a post catalyst removal composition
US7462736B2 (en) * 2006-03-01 2008-12-09 Eastman Chemical Company Methods and apparatus for isolating carboxylic acid
US7393973B2 (en) * 2006-03-01 2008-07-01 Eastman Chemical Company Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion
US9205388B2 (en) * 2007-06-27 2015-12-08 H R D Corporation High shear system and method for the production of acids
US8455680B2 (en) 2008-01-15 2013-06-04 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8969404B2 (en) * 2012-06-22 2015-03-03 Eastman Chemical Company Purifying crude furan 2,5-dicarboxylic acid by hydrogenation
US9029580B2 (en) 2012-07-20 2015-05-12 Eastman Chemical Company Oxidation process to produce a purified carboxylic acid product via solvent displacement and post oxidation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639465A (en) * 1968-06-18 1972-02-01 Standard Oil Co Purification of aromatic polycarboxylic acids by catalytic reduction using prehumidified hydrogen
US3655729A (en) * 1968-07-18 1972-04-11 Gen Tire & Rubber Co Process for preparing esters of terephthalic acid
US3708532A (en) * 1968-11-04 1973-01-02 Teijin Ltd Process for the continuous purification of crude terephthalic acid
DE1925038C3 (de) * 1969-05-16 1980-10-23 Standard Oil Co., Chicago, Ill. (V.St.A.) Verfahren zur Gewinnung von Terephthalsäure

Also Published As

Publication number Publication date
JPS5049248A (nl) 1975-05-01
JPS5324057B2 (nl) 1978-07-18
NL7409866A (nl) 1975-02-24
US3931305A (en) 1976-01-06
EG11555A (en) 1977-08-15
YU224174A (en) 1982-05-31
CS198150B2 (en) 1980-05-30
DD115109A5 (nl) 1975-09-12
BE818228A (fr) 1975-01-29
GB1476436A (en) 1977-06-16
RO66116A (ro) 1980-03-15
FR2241529B1 (nl) 1978-08-11
CA1019342A (en) 1977-10-18
HU180065B (en) 1983-01-28
PL100195B1 (pl) 1978-09-30
DE2437846A1 (de) 1975-03-06
IT1018896B (it) 1977-10-20
DE2437846C2 (nl) 1989-12-28
ES429400A1 (es) 1976-09-01
IN142341B (nl) 1977-06-25
BR7406531D0 (pt) 1975-06-03
SU869554A3 (ru) 1981-09-30
YU41043B (en) 1986-10-31
FR2241529A1 (nl) 1975-03-21
TR18050A (tr) 1976-09-23

Similar Documents

Publication Publication Date Title
BG31071A3 (en) Method for extraction of tereftalic acid by continuous ckystallisation
BG31065A3 (en) Method for obtaining of malein anaydride
CS181264B2 (en) Method for production of alpha-amino-alpha-/ureidophenyl/acetamidocephalosporins
GB1407932A (en) Process for preparing esters of omega-amino-dodecanoic acid
ZA741608B (en) Method of forming carrier-gels
CS180048B2 (en) Method for production of novel thiaprostaglandins
YU36682B (en) Process for obtaining omega-formyl alkenic acid
CS191225B2 (en) Method of production of new n-phenylpyrrols
JPS53111073A (en) Method of producing pyridinecarboxylyc acid
PH9811A (en) Process for 7-beta-amino-7-alpha-methoxycephalosporanic acid esters
CS184849B2 (en) Method of preparing 5-fluor-2-methyl-1-/p-methyl-sulphinyl-benzylidene/-3-indenyl acetic acid
CS179449B2 (en) Method for production of new 2-phenylamino-2-imidazoles
CS179439B2 (en) Method for production of phenoxyacetic acid derivatives
YU39657B (en) Process for obtaining 6-amino-penicillanic acid
CS178923B2 (en) Method for preparation of 3-ketoglutaric acid
YU36971B (en) Process for obtaining 7-acylamido-3-halo-3-cephem-4-carboxylic acid esters
CS178930B2 (en) Method for production of new lactones of d-homosteroids
ZA742951B (en) Process for preparing 5-oxo-carboxylic acid esters
BG24404A3 (en) Method of preparing citric acid
HU172016B (hu) Sposob poluchenija proizvodnykh skobka-7-zamehhennykh-skobka zakryta-fenilglicinamido-3-zamehhennykh-3-cefem-4-karbonovykh kislot
CS178910B2 (en) Method for preparing derivatives of 3-alkyl-7-acylaminoceph-3-em-4-carboxylic acid
CS179917B2 (en) Method for production of novel aminopropanols
YU258774A (en) Process for obtaining esters of benzimidazole-1-carboximido acid
CS175748B1 (en) Method of alfa-6-deoxytetracycline production
CS180004B2 (en) Method for production of benzylamines